| | Petaluma, CA | Maricopa, AZ | United States |
| Expend. per Student | $16,850 | $10,044 | $15,905 |
| Educ. Expend. per Student | $13,921 | $8,414 | $13,142 |
| Instr. Expend. per Student | $8,508 | $4,280 | $7,999 |
| Pupil/Teacher Ratio | 20.82 | 19.38 | 16.23 |
| Students per Librarian | 14240 | 7369 | 4573 |
| Students per Counselor | 399 | 730 | 530 |
| Grade School Educ. | 4.6% | 2.2% | 4.8% |
| Some High School Educ. | 4.8% | 5.0% | 6.3% |
| High School Educ. | 90.5% | 92.9% | 88.9% |
| Some College Educ. | 24.2% | 26.6% | 20.0% |
| 2 yr College Grad. | 9.4% | 11.9% | 8.7% |
| 4 yr College Grad. | 40.3% | 23.5% | 33.7% |
| Masters Grad. | 9.9% | 6.5% | 9.3% |
| Professional Degree | 3.4% | 0.9% | 2.2% |
| Doctorate Degree | 1.4% | 0.6% | 1.5% |